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Finding the Fourth Proportional to 569,783.62, 785,531.91 and 365,479.84

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Solution

The fourth proportional to 569,783.62, 785,531.91 and 365,479.84 is: 503,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,783.62 : 785,531.91 = 365,479.84 : x
  2. Step 2: Convert to fraction form
    569,783.62/785,531.91 = 365,479.84/x
  3. Step 3: Cross multiply
    569,783.62x = 785,531.91 × 365,479.84
  4. Step 4: Simplify right side
    569,783.62x = 287,096,076,781.69
  5. Step 5: Solve for x
    x = 287,096,076,781.69/569,783.62
  6. Step 6: Final answer
    x = 503,868.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.